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Finding the Fourth Proportional to 57,859.92, 86,801.49 and 24,579.72

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Solution

The fourth proportional to 57,859.92, 86,801.49 and 24,579.72 is: 36,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,859.92 : 86,801.49 = 24,579.72 : x
  2. Step 2: Convert to fraction form
    57,859.92/86,801.49 = 24,579.72/x
  3. Step 3: Cross multiply
    57,859.92x = 86,801.49 × 24,579.72
  4. Step 4: Simplify right side
    57,859.92x = 2,133,556,319.78
  5. Step 5: Solve for x
    x = 2,133,556,319.78/57,859.92
  6. Step 6: Final answer
    x = 36,874.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.